OSNews writing about social networks? Yes, it happens, and today is one of those days. We all know Facebook is king here, with a massive userbase and a seemingly unbreakable hold over the market, with Twitter covering the more public side of social networking. Google does some stuff in a fringe somewhere with something called Google+ which tries to combine Facebook and Twitter, but it's effectively a ghost town with a confusing interface. So, if you're Microsoft, what are you going to do? Well, build your own social network, of course!